package com.letoy.edu.service;

import com.letoy.edu.entity.LessonArr;

import java.util.HashMap;

public interface LessonArrService {

    HashMap<String, Object> findAllLessonArr();

    HashMap<String, Object> findLessonArrByNumberWeek(int number, int week);

    HashMap<String, Object> insertLessonArr(int studentId, int leesonId);
}
